# File              : .tmux.conf
# Author            : Jeff LANCE <email@jefflance.me>
# Date              : 25.06.2021
# Last Modified Date: 27.06.2021
# Last Modified By  : Jeff LANCE <email@jefflance.me>

# -- general -------------------------------------------------------------------

set -g default-terminal "alacritty"
setw -g xterm-keys on

set -s escape-time 0                      # address vim mode switching delay (http://superuser.com/a/252717/65504)
set -g repeat-time 600                    # increase repeat timeout
set -g focus-events on

set -g prefix2 C-b                        # GNU-Screen compatible prefix
bind C-b send-prefix -2

set -q -g status-utf8 on                  # expect UTF-8 (tmux < 2.2)
setw -q -g utf8 on

set -g history-limit 50000                # boost history

set -g status-keys emacs                  # emacs key bindings in tmux command prompt (prefix + :) are better than
                                          # vi keys, even for vim users

setw -g aggressive-resize on              # super useful when using "grouped sessions" and multi-monitor setup


# edit configuration
bind e new-window -n "~/.tmux.conf" "EDITOR=\${EDITOR//mvim/vim} && EDITOR=\${EDITOR//gvim/vim} && \${EDITOR:-vim} ~/.tmux.conf && tmux source ~/.tmux.conf && tmux display \"~/.tmux.conf sourced\""

# reload configuration
bind r source-file ~/.tmux.conf \; display '~/.tmux.conf reloaded'


# -- display -------------------------------------------------------------------

set -g base-index 1           # start windows numbering at 1
setw -g pane-base-index 1     # make pane numbering consistent with windows

setw -g automatic-rename on   # rename window to reflect current program
set -g renumber-windows on    # renumber windows when a window is closed

set -g set-titles on          # set terminal title

set -g display-panes-time 800 # slightly longer pane indicators display time
set -g display-time 4000      # slightly longer status messages display time

set -g status-interval 5      # redraw status line every 10 seconds

# clear both screen and history
bind -n C-l send-keys C-l \; run 'sleep 0.1' \; clear-history\; display 'screen and history cleared'

# activity
set -g monitor-activity on
set -g visual-activity off


# -- navigation ----------------------------------------------------------------

# create session
bind C-c new-session

# find session
bind C-f command-prompt -p find-session 'switch-client -t %%'

# split current window horizontally
bind - split-window -v
# split current window vertically
bind | split-window -h

# pane navigation
unbind h
unbind j
unbind k
unbind l
bind -n C-Left select-pane -L
bind -n C-Right select-pane -R
bind -n C-Up select-pane -U
bind -n C-Down select-pane -D
# bind -r h select-pane -L  # move left
# bind -r j select-pane -D  # move down
# bind -r k select-pane -U  # move up
# bind -r l select-pane -R  # move right
bind -n C-S-PageDown swap-pane -D    # swap current pane with the next one
bind -n C-S-PageUp swap-pane -U    # swap current pane with the previous one

# pane resizing
# bind -r H resize-pane -L 2
# bind -r J resize-pane -D 2
# bind -r K resize-pane -U 2
# bind -r L resize-pane -R 2

# window navigation
unbind n
unbind p
bind -n C-PageUp previous-window # select previous window
bind -n C-PageDown next-window   # select next window
bind Tab last-window             # move to last active window


# -- copy mode -----------------------------------------------------------------

bind-key Space copy-mode
bind -n S-Pageup copy-mode -u
bind -n S-Pagedown send-keys PageDown

bind-key -T copy-mode-vi v send -X begin-selection
bind-key -T copy-mode-vi c-v send -X rectangle-toggle
bind-key -T copy-mode-vi y send -X copy-selection-and-cancel


# -- buffers -------------------------------------------------------------------

bind b list-buffers  # list paste buffers
bind p paste-buffer  # paste from the top paste buffer
bind P choose-buffer # choose which buffer to paste from


# -- user defined overrides ----------------------------------------------------

if '[ -f ~/.tmux.conf.local ]' 'source ~/.tmux.conf.local'